class A {
double f(double x,double y) {
return x+y;
}
static int g(int n) {
return n*n;
}
}
class B extends A {
double f(double x,double y) {
double m = super.f(x,y);
return m+x*y;
}
static int g(int n) {
int m=A.g(n);
return m+n;
}
}
public class E2 {
public static void main (String args[]) {
B b=new B();
System.out.println(b.f(10.0,8.0));
System.out.println(b.g(3));
A a=new B();
System.out.println(a.f(10.0,8.0));
System.out.println(a.g(3));
}
}
